Change 64bit library path from /system/lib/ to /system/lib64

Change-Id: Ie2ec537bb71ca6573588bcaf893d871ba9b5c051
diff --git a/lib/Renderscript/RSScript.cpp b/lib/Renderscript/RSScript.cpp
index 50dbb73..0051e1f 100644
--- a/lib/Renderscript/RSScript.cpp
+++ b/lib/Renderscript/RSScript.cpp
@@ -28,7 +28,7 @@
   const char* core_lib = RSInfo::LibCLCorePath;
 
   // x86 devices will use an optimized library.
-#if defined(__i386__)
+#if defined(__i386__) || defined(__x86_64__)
   core_lib = RSInfo::LibCLCoreX86Path;
 #endif